21619410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{42391}}^1$

素因数の和:42418

約数の個数: 32

約数和(自身を含む): 54940032

約数和(自身を除く): 33320622

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 42391, 84782, 127173, 211955, 254346, 423910, 635865, 720647, 1271730, 1441294, 2161941, 3603235, 4323882, 7206470, 10809705, 21619410]

約数ペア:

[(1, 21619410), (2, 10809705), (3, 7206470), (5, 4323882), (6, 3603235), (10, 2161941), (15, 1441294), (17, 1271730), (30, 720647), (34, 635865), (51, 423910), (85, 254346), (102, 211955), (170, 127173), (255, 84782), (510, 42391)]